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[ubuntu] /proc/cpuinfo not showing all 16 cores in 11.10

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linux-howto

http://ubuntuforums.org – For some reason /proc/cpuinfo is only displaying one core from a 16 core processor. However hwinfo --cpu shows the 16 cores. I have ACPI enable in the bios and I have cleared the noacpi tags out of the grub.cfg file. Anyone have any ideas out to get this corrected? System Specs: SuperMicro AS-1012G-MTF Server AMD 6274 64GB Memory /proc/cpuinfo Quote: processor : 0 vendor_id : AuthenticAMD cpu family : 21 model : 1 model name : AMD Opteron(TM) Processor 6274 stepping : 2 cpu MHz : 2200.000 cache size : 2048 KB physical id : 0 (Hardware)